Daim ntaub ntawv: Stainless Hlau, Hlau, Galvanized ntawv, Titanium, thiab lwm yam. Welding txhua yam ntawm advertising hlau ntawv thiab LED hlau kos npe.Qhov zoo: tuaj yeem vuam txhua qhov me me tau zoo, ua rau qhov tsis zoo ntawm cov tsoos soldering thiab argon arc vuam tshuab.Tsis muaj thermal strain, tsis xav tau tom qab kev kho mob, ib puag ncig tus phooj ywg, uas zoo heev txhim kho kev sib txuas lub zog thiab zoo ntawm cov ntawv hlau thiab kos npe.